Sagging roof on Trillium 4500 1977 - Fiberglass RV

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Old 09-22-2011, 06:16 PM   #1
Senior Member
Name: Martin
Trailer: Trillium 4500 1977
Posts: 143
Sagging roof on Trillium 4500 1977

When my Trillium 4500 is perfectly level and it rains, there is a little water puddle that forms on top of the kitchen side of the trailer. Not a drop inside, not a crack on the roof. The puddle dries out as soon as the sun shines again. It looks to me that the weight of the upper cabinetry has warped the fiberglass roof over time. There is no support under and the fiberglass wall may have bent a bit too (not noticeable).

If you look at the vent cover sitting in the middle of the roof from outside, it is obvious that the left side of the roof is about 3/8" lower than the other side. I can live with that, but I would not like the sagging to get worse and I would prefer to improve it a bit. I tought of adding some bracing on the cabinetry module, but anything I considered so far is ugly and not convenient.

I'm equipped to weld steel and aluminum, but not to bend it.

Any ideas ?


Martin J. Qc Canada
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Old 09-23-2011, 12:55 PM   #2
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Myron Leski's Avatar
Name: Myron
Trailer: 19' Escape
Posts: 651
Here's my solution. Went to Lowes, picked up a closet clothes hanger pipe. They come in white and brushed aluminum, as I recall.

Had a hole driller the right diameter. Pipe fits into holes drilled into wood base that's screwed into cabinet and countertop.
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